velocity speed的意思|示意

And that linear velocity, which, in this case, is really your speed, is of course the circumference of the circle divided by how many seconds it takes to go around.

线速度，在这个例子里，就是速率，是这个圆环的周长，除以走一圈，需要的秒数。

The speed of light is widely regarded as the Universe's ultimate velocity limit.

光速被广泛认为是宇宙中速度的极限。

But money velocity, or the speed with which cash is spent, is declining.

但货币流通速度正在下滑。

Now, then we have the speed, which we can also think of as a linear velocity.

然后速率，我们也可以，看作是线速度。

So the average speed 5m/s is 4.5 meters per second, 0 but the average velocity is zero.

因此平均速率,是4。,但是平均速度是。

Although previous studies have found that the "group velocity" of light can travel faster than c, the "signal velocity" -the speed at which information travels -cannot.

尽管先前的研究已经证实，光的“群速度”可以超越光速c，而“信号传播速度”——光携带的信息的传播速度——不能超越光速。